Re: suspend to disk unreliable?
On Sun, Jun 27, 2010 at 10:53:41AM +0000, Camaleón wrote:
> On Sun, 27 Jun 2010 12:28:36 +0200, lee wrote:
>
> > On Sun, Jun 27, 2010 at 10:13:23AM +0000, Camaleón wrote:
>
> >> No, but there can be problems with some of your devices or drivers that
> >> prevent restoring from hibernation "gracefully". You'll have to
> >> investigate a bit. Review your log.
> >
> > But which log? I had to press the reset button, there aren't any
> > relevant entries in the syslog.
>
> Usually, "/var/log/suspend.log" but can vary, depending on the suspend
> system you are using (GNOME default, swsusp, uswsusp, tuxonice...).
Well, I was using:
# echo 8589934592 > /sys/power/image_size
# echo platform > /sys/power/disk; echo disk > /sys/power/state
There isn't any suspend.log.
> >> > When suspending to disk, the default size of the image written is
> >> > 512MB. What happens when there's more data that needs to be saved?
> >>
> >> For one who wants to use hibernation, it will take the same space as
> >> your amount of ram. So if you have 2 GiB. of ram, you'll need at least
> >> 2 GiB. of free space for hibernanting the machine.
> >
> > Hm, then why isn't that adjusted automatically?
>
> Maybe :-)
>
> I selected an expert installation and custom partitionaing so I got no
> advice, which is normal. But default installer and automatic partitioning
> should indeed ask the user and if he/she wants to hibertante the machine
> and adjust the amount of required swap space accordingly. At least it
> should be nice to have such option, but dunno if it's already present or
> not :-?
Oh, I mean the setting in /sys/power/image_size. The kernel knows how
much RAM is available and how much is needed to suspend to disk, so I
wonder what the point of having a default of 512MB is and if that is
adjusted automatically as needed. Or: What happens when the image_size
is too small?
--
27/06/2010 04:03:46 The X server says there are 10 mouse buttons.
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